Metal and Stone age Man
Process Metallurgy is one of the oldest sciences. Its history can be traced back to 6000 B.C. It is worthwhile to send a its little time to know the Initiation of man kinds association with Metals. Stone age man learned to fashion gold into jewellery and ornaments,learning that it could be formed into sheets and wirees easily. The use of Copper in Antiquity is of more significance than gold as the first tools ,implements and weapone were made from copper.
From 4,000 to 6,000 B.C was the: Chalcolithic: period which was when copper came into Common use.
Discovery of seven Metals:
1- Gold 6000 B .C.
2- Copper 4200 B .C.
3- Silver 4000 B .C.
4- Lead 3500 B .C.
5- Tin 1750 B .C.
6- Iron 1500 B.C.
7- Mercury 750 B.C.
